# Talk

## Maths: what is this oneTY twoTY threeTY fourTY fiveTY nonsense?

(69 Posts)
Teela Thu 13-Jan-11 22:21:11

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New one on me. I await the explanation with interest.

IndigoBell Thu 13-Jan-11 22:29:50

Do you mean instead of 11, 12, 13?

I think because English isn't regular (like some languages) and so eleven, twelve etc don't follow the pattern they should, they sometimes do this so that (very small) kids can get the idea that 11 is 10 + 1 in the same way they would understand that twenty-one is 20 + 1

Teela Thu 13-Jan-11 22:31:12

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pozzled Thu 13-Jan-11 22:34:26

I have never heard of this, it sounds very bizarre. Surely it can't be in place of 11,12,13? Logically it would need to be onety-one for 11, onety-two for 12 and so on? Does it stand for 10,20,30...?

Guacamole Thu 13-Jan-11 22:36:08

How very odd, surely not?

BertieBotts Thu 13-Jan-11 22:38:04

How old is she, are you sure she didn't just mishear something?

Teela Thu 13-Jan-11 22:42:43

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kennythekangaroo Thu 13-Jan-11 22:45:20

Onety-one, onety two, onety three etc are a way to help young children when they're writing teens numbers so they write 17 not 71.

All other numbers you write in the order you say them eg 27 and some children find writing teen numbers very confusing.

Teela Thu 13-Jan-11 22:47:14

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pozzled Thu 13-Jan-11 22:47:38

Well I guess I could see how that could be useful when they first write numbers- but surely it must be used alongside the real words? And why on earth start it in Year 2, when they have been using the correct words and writing the numbers correctly for some time?

Teela Thu 13-Jan-11 22:49:50

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i've had three kids in y2 in recent times (one still is) and have never heard of this pile of nonsense. it sounds like a daft game they were playing.

was it something they were taling about to work out which way round to write the numbers? (kids sometimes mix up 12/21 etc) and was just supposed to be a fun way to help them remember which order to write the numbers in, rather than 'this is how we say it'? maybe? lots of kids have problems with writing the numbers... <hopeful emoticon>

duh. xpost with everyone as the phone rang

PixieOnaLeaf Thu 13-Jan-11 22:54:09

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Teela Thu 13-Jan-11 22:58:03

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cat64 Thu 13-Jan-11 23:12:34

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Teela Thu 13-Jan-11 23:16:38

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FreudianSlipIntoMyLaptop Thu 13-Jan-11 23:18:16

I saw something on teachers.tv about it. I was but actually it does make sense. It is all about place value and keeping a consistent pattern with the names.

So I think it's a good idea in principle, but pointless in a practical sense as really you'd need every school, teacher and parent on board to make it work really well.

gracehedley Thu 13-Jan-11 23:20:07

think my son in reception has been shown this method for counting in 10s - so he says ten-ty, twen-ty, thir-ty etc. And raises hand as if drinking a cup of tea when he says the "ty" bit. I think that's what it's about anyway!

cat64 Thu 13-Jan-11 23:22:41

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Teela Thu 13-Jan-11 23:31:34

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cat64 Thu 13-Jan-11 23:37:17

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Teela Thu 13-Jan-11 23:45:58

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